import Vue from 'vue'
import VueRouter from 'vue-router'
// import Login from '../components/Login'
// import Home from '../components/Home'
// import Echarts from '../components/demo/Echarts.vue'
// import Welcome from '../components/Welcome.vue'
// import Users from '../components/user/Users.vue'
// import Rights from '../components/power/Rights.vue'
// import Roles from '../components/power/Roles.vue'
// import Cate from '../components/goods/Cate.vue'
// import Params from '../components/goods/Params.vue'
// import GoodsList from '../components/goods/List.vue'
// import Add from '../components/goods/Add.vue'
// import Order from '../components/order/Order.vue'
// import Report from '../components/report/Report.vue'
// import Swiper from '../components/Swiper.vue'
// import Demo from '../components/demo/Demo.vue'

const Login = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Login.vue')
const Home = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Home.vue')
const Welcome = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Welcome.vue')

const Users = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/user/Users.vue')
const Rights = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Rights.vue')
const Roles = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Roles.vue')

const Cate = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Cate')
const Params = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Params')

const GoodsList = () => import(/* webpackChunkName: "GoodsList_Add" */ '../components/goods/List')
const Add = () => import(/* webpackChunkName: "GoodsList_Add" */ '../components/goods/Add')

const Order = () => import(/* webpackChunkName: "Order_Report" */ '../components/order/Order')
const Report = () => import(/* webpackChunkName: "Order_Report" */ '../components/report/Report')

const Swiper = () => import(/* webpackChunkName: "Swiper_Demo_Echarts" */ '../components/Swiper.vue')
const Demo = () => import(/* webpackChunkName: "Swiper_Demo_Echarts" */ '../components/demo/Demo.vue')
const Echarts = () => import(/* webpackChunkName: "Swiper_Demo_Echarts" */ '../components/demo/Echarts.vue')

Vue.use(VueRouter)

const routes = [{ path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      { path: '/welcome', component: Welcome },
      { path: '/users', component: Users },
      { path: '/rights', component: Rights },
      { path: '/roles', component: Roles },
      { path: '/categories', component: Cate },
      { path: '/params', component: Params },
      { path: '/goods', component: GoodsList },
      { path: '/goods/add', component: Add },
      { path: '/orders', component: Order },
      { path: '/reports', component: Report },
      { path: '/demo', component: Demo }
    ]
  },
  { path: '/demo/echarts', component: Echarts },
  { path: '/swiper', component: Swiper }
]

const router = new VueRouter({
  routes
})
// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从那个路径跳转而来
  // next 是一个函数 表示放行
  //  next()放行 next('/login')强制跳转

  // 如果是login直接放行
  if (to.path === '/login') return next()
  // 得到token
  const tokenStr = window.sessionStorage.getItem('token')
  // 如果没有token 直接回到登录页面
  if (!tokenStr) return next('/login')
  next()
})

export default router
